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Hey, HackerRage Here...
CVE-2021-4034
pxexec Local Privilege Escalation exploit
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Step 1
First you have to run the setup.sh using
bash setup.sh

if you want to run this again then run the pkexecExploit
./pkexecExploit

Step 2 (Optional)

If you want to use this tool from any directory then run the MakePermanet.sh file as a root user.

Now type pkexecExploit to run this tool from anywhere
pkexecExploit